IT999613B - SUPPORT FOR HIGH SPEED ROTATING SHAFTS - Google Patents

SUPPORT FOR HIGH SPEED ROTATING SHAFTS

Info

Publication number
IT999613B
IT999613B IT69910/73A IT6991073A IT999613B IT 999613 B IT999613 B IT 999613B IT 69910/73 A IT69910/73 A IT 69910/73A IT 6991073 A IT6991073 A IT 6991073A IT 999613 B IT999613 B IT 999613B
Authority
IT
Italy
Prior art keywords
support
high speed
rotating shafts
speed rotating
shafts
Prior art date
Application number
IT69910/73A
Other languages
Italian (it)
Original Assignee
Skf Ind Trading & Dev
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Skf Ind Trading & Dev filed Critical Skf Ind Trading & Dev
Application granted granted Critical
Publication of IT999613B publication Critical patent/IT999613B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107—Grooves for generating pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/02—Sliding-contact bearings
    • F16C25/04—Sliding-contact bearings self-adjusting
    • F16C25/045—Sliding-contact bearings self-adjusting with magnetic means to preload the bearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/0408—Passive magnetic bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F16C39/063—Permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
IT69910/73A 1972-10-04 1973-10-04 SUPPORT FOR HIGH SPEED ROTATING SHAFTS IT999613B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722248695 DE2248695A1 (en) 1972-10-04 1972-10-04 BEARING FOR SHAFTS ROTATING AT HIGH SPEED

Publications (1)

Publication Number Publication Date
IT999613B true IT999613B (en) 1976-03-10

Family

ID=5858170

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69910/73A IT999613B (en) 1972-10-04 1973-10-04 SUPPORT FOR HIGH SPEED ROTATING SHAFTS

Country Status (6)

Country Link
US (1) US3934950A (en)
JP (1) JPS4993747A (en)
DE (1) DE2248695A1 (en)
FR (1) FR2202557A5 (en)
GB (1) GB1422386A (en)
IT (1) IT999613B (en)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5187151U (en) * 1975-01-08 1976-07-13
JPS5312750A (en) * 1976-07-23 1978-02-04 Hitachi Ltd Method of butt brazing
DE2634070C3 (en) * 1976-07-29 1981-06-11 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Storage for the shaft of a spinning rotor
US4303281A (en) * 1977-05-23 1981-12-01 Irby Holcomb B Magnetic ball thrust bearing
US4332428A (en) * 1979-01-16 1982-06-01 Matsushita Electric Industrial Co., Ltd. Rotary mechanism with axial bearings
NL7902477A (en) * 1979-03-30 1980-10-02 Philips Nv ROENTGEN TUBE WITH A MAGNETICALLY BEARING TURNING ANode.
DE3335943A1 (en) * 1983-10-04 1985-04-18 Fritz 7347 Bad Überkingen Stahlecker Open-end rotor spinning machine
JPS60249724A (en) * 1984-05-22 1985-12-10 Ntn Toyo Bearing Co Ltd Static pressure gas bearing device
NL8502058A (en) * 1985-07-17 1987-02-16 Philips Nv ELECTRICAL MACHINE WITH MAGNETIC BEARING FEATURES.
DE4028858A1 (en) * 1990-09-08 1992-03-12 Arnold & Richter Kg Bearing for precision measuring pendulum - uses bearing ring magnets and bar magnets at both sides with all poles lying in axis of rotation
US5541460A (en) * 1994-02-25 1996-07-30 Seagate Technology, Inc. Passive magnetic bearings for a spindle motor
US5739607A (en) * 1994-03-04 1998-04-14 Cincinnati Milacron Inc. Hybrid spindle bearing
US5622040A (en) * 1994-12-21 1997-04-22 W. Schlafhorst Ag & Co. Bearing for an open-end spinning rotor
DE19729191B4 (en) * 1997-07-09 2008-01-10 Oerlikon Textile Gmbh & Co. Kg Open-end spinning device with a spinning rotor
JP3266559B2 (en) * 1997-08-26 2002-03-18 三星電機株式会社 Brushless DC motor
JP2000004557A (en) * 1998-03-04 2000-01-07 Seiko Instruments Inc Spindle motor providing aerodynamic pressure bearing and rotating device using the motor as drive source
JP4024382B2 (en) * 1998-05-15 2007-12-19 株式会社東芝 Magnetic bearing device
DE19823630C2 (en) * 1998-05-27 2003-08-21 Pmdm Prec Motors Deutsche Mine Motor bearings for fast rotating small motors
US5997119A (en) * 1998-08-28 1999-12-07 Eastman Kodak Company Magnetic arrangement for printhead positioning in an image processing apparatus
US6100911A (en) * 1998-08-28 2000-08-08 Eastman Kodak Company Method and apparatus to provide a loading force print-head adjustment using magnets
DE19955829A1 (en) 1999-11-20 2001-05-23 Schlafhorst & Co W Open-end spinning device
TW429289B (en) * 1999-12-10 2001-04-11 Delta Electronics Inc Novel magnetic suspending bearing structure
DE10032440A1 (en) 2000-07-04 2002-01-17 Schlafhorst & Co W Rotor spinning device with a contactless passive radial mounting of the spinning rotor
DE10043302A1 (en) * 2000-09-02 2002-03-14 Forschungszentrum Juelich Gmbh Controlled, low current consumption magnetic bearing, is positioned by permanent magnetism and corrected by electromagnetism on departure from working position
US7126243B2 (en) * 2000-11-22 2006-10-24 Mitsubishi Heavy Industries, Ltd. Supporting mechanism of micro gravity rotating apparatus
US7422370B2 (en) * 2002-08-06 2008-09-09 Seagate Technology Llc Hydraulic compensation for magnetically biased fluid dynamic bearing motor
US7023119B2 (en) * 2002-08-30 2006-04-04 Ebm-Papst St. Georgen Gmbh & Co. Kg Device comprising a plain bearing
TWI222263B (en) * 2003-08-15 2004-10-11 Delta Electronics Inc Non-bearing motor
TWI258540B (en) * 2003-10-08 2006-07-21 Delta Electronics Inc Heat-dissipating device
TWI249899B (en) * 2004-02-20 2006-02-21 Delta Electronics Inc Magnetic-bearing motor and magnetic-bearing thereof
JP2007037365A (en) * 2005-07-29 2007-02-08 Nippon Densan Corp Motor
JP4835371B2 (en) * 2005-10-17 2011-12-14 日本電産株式会社 Bearing unit and electric motor provided with the same
US7498704B2 (en) * 2006-02-02 2009-03-03 Nidec Corporation Motor
US20080100163A1 (en) * 2006-10-27 2008-05-01 Allen Gary Storaasli Magnetic suspension with integrated motor
WO2012175515A1 (en) * 2011-06-21 2012-12-27 Siemens S.A.S. Pendular accelerometer
DE102012203809A1 (en) * 2012-03-12 2013-09-12 Robert Bosch Gmbh Electrical machine e.g. starter for vehicle with internal combustion engine, has force device that is provided for generating force field to partially surround powertrain so that force acts upon powertrain
TWI494514B (en) * 2012-05-04 2015-08-01 中原大學 Axial passive magnet bearing system
EP3154166B1 (en) * 2015-10-08 2022-11-30 Skf Magnetic Mechatronics Rotary machine having magnetic and mechanical bearings
DE102017103622A1 (en) * 2017-02-22 2018-08-23 Rieter Cz S.R.O. Method for supporting a spinning rotor and bearing, spinning rotor and support bearings
DE102021129684A1 (en) 2021-11-15 2023-05-17 Boge Kompressoren Otto Boge Gmbh & Co. Kg Magnetic relief of hydrodynamic bearings

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199932A (en) * 1962-03-01 1965-08-10 Gen Motors Corp Combined magnetic suspension and transformer
US3428371A (en) * 1966-01-24 1969-02-18 Cambridge Thermionic Corp Suspension apparatus
US3393334A (en) * 1966-03-23 1968-07-16 Bofors Ab Damping device for damping vibrations of a rotary elongated member
US3473852A (en) * 1967-12-18 1969-10-21 Cambridge Thermionic Corp Magnetic suspension apparatus
US3493275A (en) * 1967-12-18 1970-02-03 Little Inc A Vertical suspension system
US3598456A (en) * 1970-01-23 1971-08-10 Halliburton Co Magnetically supported rotor in a conduit
US3761148A (en) * 1972-09-15 1973-09-25 G Grosbard Magnetically suspended rotor assembly

Also Published As

Publication number Publication date
GB1422386A (en) 1976-01-28
US3934950A (en) 1976-01-27
DE2248695A1 (en) 1974-04-11
FR2202557A5 (en) 1974-05-03
JPS4993747A (en) 1974-09-06

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